Finding the Fourth Proportional to 162,380.45, 243,565.21 and 57,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162,380.45 : 243,565.21 = 57,196.69 : x
2. Step 2: Convert to fraction form
   162,380.45/243,565.21 = 57,196.69/x
3. Step 3: Cross multiply
   162,380.45x = 243,565.21 × 57,196.69
4. Step 4: Simplify right side
   162,380.45x = 13,931,123,273.74
5. Step 5: Solve for x
   x = 13,931,123,273.74/162,380.45
6. Step 6: Final answer
   x = 85,793.11